diff --git a/Apps/Examples/clipping.h b/Apps/Examples/clipping.h
index 2b79ecc6fd2f68da0ef75de77e82cc6001623c3f..b4be7d558d3f661bfc1ee517ff4bf0255aafcb41 100644
--- a/Apps/Examples/clipping.h
+++ b/Apps/Examples/clipping.h
@@ -99,9 +99,6 @@ public:
 
 	Utils::ShaderSimpleColor* m_shader;
 
-	Utils::Drawer* influence_area;
-	Utils::Drawer* chips_area;
-
 	Geom::Vec3f m_coeffTopoExplod;
 	Geom::Vec3f gPosObj ;
 	float gWidthObj ;
diff --git a/Apps/Examples/viewer.cpp b/Apps/Examples/viewer.cpp
index e9607aed9e167c967d7576439a0c5036fa0071f3..ccc2bc831b92b2bc68d6d81b0b9aa1e82c49441a 100644
--- a/Apps/Examples/viewer.cpp
+++ b/Apps/Examples/viewer.cpp
@@ -35,7 +35,8 @@ Viewer::Viewer() :
 	m_flatShader(NULL),
 	m_vectorShader(NULL),
 	m_simpleColorShader(NULL),
-	m_pointSprite(NULL)
+	m_pointSprite(NULL),
+	m_strings(NULL)
 {
 	normalScaleFactor = 1.0f ;
 	vertexScaleFactor = 0.1f ;
@@ -110,15 +111,21 @@ void Viewer::cb_initGL()
 	m_pointSprite = new Utils::PointSprite() ;
 	m_pointSprite->setAttributePosition(m_positionVBO) ;
 
+    m_strings = new Utils::Strings3D(true, Geom::Vec3f(0.1f,0.0f,0.3f));
+    storeVerticesInfo();
+    m_strings->sendToVBO();
+
 	registerShader(m_phongShader) ;
 	registerShader(m_flatShader) ;
 	registerShader(m_vectorShader) ;
 	registerShader(m_simpleColorShader) ;
 	registerShader(m_pointSprite) ;
+	registerShader(m_strings);
 }
 
 void Viewer::cb_redraw()
 {
+	glClearColor(1,1,1,0);
 	if(m_drawVertices)
 	{
 		float size = vertexScaleFactor ;
@@ -126,6 +133,7 @@ void Viewer::cb_redraw()
 		m_pointSprite->predraw(Geom::Vec3f(0.0f, 0.0f, 1.0f)) ;
 		m_render->draw(m_pointSprite, Algo::Render::GL2::POINTS) ;
 		m_pointSprite->postdraw() ;
+		m_strings->drawAll(Geom::Vec3f(0.0f, 1.0f, 1.0f));
 	}
 
 	if(m_drawEdges)
@@ -175,9 +183,10 @@ void Viewer::cb_Open()
 
 void Viewer::cb_Save()
 {
-	std::string filters("off (*.off)") ;
+	std::string filters("off (*.off);; map (*.map)") ;
 	std::string filename = selectFileSave("Save Mesh", "", filters) ;
-	Algo::Export::exportOFF<PFP>(myMap, position, filename.c_str(), allDarts) ;
+
+	exportMesh(filename);
 }
 
 void Viewer::importMesh(std::string& filename)
@@ -220,10 +229,41 @@ void Viewer::importMesh(std::string& filename)
 	m_positionVBO->updateData(position) ;
 	m_normalVBO->updateData(normal) ;
 
+	storeVerticesInfo();
+	m_strings->sendToVBO();
+
 	setParamObject(bb.maxSize(), bb.center().data()) ;
 	updateGLMatrices() ;
 }
 
+void Viewer::exportMesh(std::string& filename)
+{
+	size_t pos = filename.rfind(".");    // position of "." in filename
+	std::string extension = filename.substr(pos);
+
+	if (extension == std::string(".map"))
+		myMap.saveMapBin(filename);
+	else
+		Algo::Export::exportOFF<PFP>(myMap, position, filename.c_str(), allDarts) ;
+}
+
+
+void Viewer::storeVerticesInfo()
+{
+	CellMarker mv(myMap,VERTEX);
+	for (Dart d=myMap.begin(); d!=myMap.end(); myMap.next(d))
+	{
+		if (!mv.isMarked(d))
+		{
+			mv.mark(d);
+			std::stringstream ss;
+			ss << d << " : "<< position[d];
+			m_strings->addString(ss.str(),position[d]);
+		}
+	}
+}
+
+
 void Viewer::slot_drawVertices(bool b)
 {
 	m_drawVertices = b ;
@@ -233,6 +273,7 @@ void Viewer::slot_drawVertices(bool b)
 void Viewer::slot_verticesSize(int i)
 {
 	vertexScaleFactor = i / 500.0f ;
+	m_strings->setScale(0.02f*i);
 	updateGL() ;
 }
 
diff --git a/Apps/Examples/viewer.h b/Apps/Examples/viewer.h
index beea4764ee49af0d0d950de21d0a4d9b506f0095..6f6573d11e5d77337d2474a08c3a598ef4c120f0 100644
--- a/Apps/Examples/viewer.h
+++ b/Apps/Examples/viewer.h
@@ -44,6 +44,7 @@
 #include "Utils/Shaders/shaderSimpleColor.h"
 #include "Utils/Shaders/shaderVectorPerVertex.h"
 #include "Utils/pointSprite.h"
+#include "Utils/text3d.h"
 
 #include "Algo/Geometry/boundingbox.h"
 #include "Algo/Geometry/normal.h"
@@ -102,6 +103,7 @@ public:
 	Utils::ShaderVectorPerVertex* m_vectorShader ;
 	Utils::ShaderSimpleColor* m_simpleColorShader ;
 	Utils::PointSprite* m_pointSprite ;
+	Utils::Strings3D* m_strings;
 
 	Viewer() ;
 
@@ -113,6 +115,11 @@ public:
 	void cb_Save() ;
 
 	void importMesh(std::string& filename) ;
+	void exportMesh(std::string& filename);
+
+protected:
+	void storeVerticesInfo();
+
 
 public slots:
 	void slot_drawVertices(bool b) ;
diff --git a/Apps/Tuto/tuto5.cpp b/Apps/Tuto/tuto5.cpp
index 12a2cce799313c38cc06ee61accf32e22639190f..c8daaa94c80abaeca4b05991f9806c2cf356253d 100644
--- a/Apps/Tuto/tuto5.cpp
+++ b/Apps/Tuto/tuto5.cpp
@@ -93,6 +93,7 @@ void MyQT::animate()
 //	transfoMatrix() = glm::rotate(transfoMatrix(), 0.5f, glm::vec3(0.5773f,0.5773f,0.5773f));
 	transfoRotate( 0.5f, 0.5773f,0.5773f,0.5773f);
 	updateGLMatrices();
+	updateGL();
 }
 
 
diff --git a/Apps/Tuto/tuto5.h b/Apps/Tuto/tuto5.h
index 08d83be12b94a036eb7b01d608a2c5e1bbf57465..a5c71438b8e3b6dbe330822aa3c5dde088b03a81 100644
--- a/Apps/Tuto/tuto5.h
+++ b/Apps/Tuto/tuto5.h
@@ -39,7 +39,7 @@
 #include "Geometry/vector_gen.h"
 #include "Algo/Geometry/boundingbox.h"
 #include "Algo/Render/GL2/mapRender.h"
-#include "Utils/Shaders/shaderSimpleColor.h"
+
 
 #include "Algo/Render/GL2/topo3Render.h"
 
@@ -47,6 +47,7 @@
 #include "Utils/text3d.h"
 
 #include "Utils/pointSprite.h"
+#include "Utils/Shaders/shaderSimpleColor.h"
 #include "Utils/Shaders/shaderVectorPerVertex.h"
 #include "Utils/cgognStream.h"
 
diff --git a/include/Algo/ImplicitHierarchicalMesh/ihm3.hpp b/include/Algo/ImplicitHierarchicalMesh/ihm3.hpp
index 0ad9e5e040fc64e5ee09ab9e502542bf51c76604..efe2f4e0c3cdbc2386ee6d2fbf70f26d588242d1 100644
--- a/include/Algo/ImplicitHierarchicalMesh/ihm3.hpp
+++ b/include/Algo/ImplicitHierarchicalMesh/ihm3.hpp
@@ -514,6 +514,7 @@ inline unsigned int ImplicitHierarchicalMap3::edgeLevel(Dart d)
 	return r;
 }
 
+
 /***************************************************
  *               ATTRIBUTE HANDLER                 *
  ***************************************************/
diff --git a/include/Algo/ImplicitHierarchicalMesh/subdivision3.hpp b/include/Algo/ImplicitHierarchicalMesh/subdivision3.hpp
index 39f7c71f136e08949d5f52133a590845f7b49875..11ce326808a9352b0dccc14ce28b75398111f58a 100644
--- a/include/Algo/ImplicitHierarchicalMesh/subdivision3.hpp
+++ b/include/Algo/ImplicitHierarchicalMesh/subdivision3.hpp
@@ -354,8 +354,8 @@ Dart subdivideVolumeClassic(typename PFP::MAP& map, Dart d, typename PFP::TVEC3&
 			dd = map.phi1(map.phi1(map.phi1(ne)));
 
 			map.splitFace(ne, dd) ;
-			//unsigned int idface = map.getNewFaceId();
-			//map.setFaceId(dd,idface, FACE);
+			unsigned int idface = map.getNewFaceId();
+			map.setFaceId(dd,idface, FACE);
 
 			newEdges.push_back(map.phi1(dd));
 
diff --git a/include/Algo/Render/GL2/topoRender.hpp b/include/Algo/Render/GL2/topoRender.hpp
index 311a6a6142dcf7b88aed33cf2017655bd31bad7f..6020d88d21c828fddaf15e73ec230e9be8fd1b95 100644
--- a/include/Algo/Render/GL2/topoRender.hpp
+++ b/include/Algo/Render/GL2/topoRender.hpp
@@ -366,9 +366,9 @@ void TopoRender::setDartsIdColor(typename PFP::MAP& map, const FunctorSelect& go
 
 	for (Dart d = map.begin(); d != map.end(); map.next(d))
 	{
-		if (nb < m_nbDarts)
+		if (good(d))
 		{
-			if (good(d))
+			if (nb < m_nbDarts)
 			{
 				float r,g,b;
 				dartToCol(d, r,g,b);
@@ -382,11 +382,11 @@ void TopoRender::setDartsIdColor(typename PFP::MAP& map, const FunctorSelect& go
 
 				nb++;
 			}
-		}
-		else
-		{
-			CGoGNerr << "Error buffer too small for color picking (change the good parameter ?)" << CGoGNendl;
-			d = map.end();
+			else
+			{
+				CGoGNerr << "Error buffer too small for color picking (change the good parameter ?)" << CGoGNendl;
+				d = map.end();
+			}
 		}
 	}
 	glUnmapBuffer(GL_ARRAY_BUFFER);
diff --git a/src/Algo/ImplicitHierarchicalMesh/ihm3.cpp b/src/Algo/ImplicitHierarchicalMesh/ihm3.cpp
index ebd2ae1606d79989be0b19a0aa0780db20a2c4bc..9c44652eb7be28f80109ecc1ec9aa734c7782156 100644
--- a/src/Algo/ImplicitHierarchicalMesh/ihm3.cpp
+++ b/src/Algo/ImplicitHierarchicalMesh/ihm3.cpp
@@ -509,11 +509,10 @@ Dart ImplicitHierarchicalMap3::volumeOldestDart(Dart d)
 	std::vector<Dart> visitedFaces;	// Faces that are traversed
 	visitedFaces.reserve(512);
 	visitedFaces.push_back(d);		// Start with the face of d
-	std::vector<Dart>::iterator face;
 
 	// For every face added to the list
 	//the oldest dart from a volume is the oldest dart from all faces of this volume
-	mark.markOrbit(FACE, d) ;
+	mark.markOrbit(ORIENTED_FACE, d) ;
 
 	for(unsigned int i = 0; i < visitedFaces.size(); ++i)
 	{
diff --git a/src/Topology/map/map3.cpp b/src/Topology/map/map3.cpp
index f0699aafc4d15d928b3b28d3c03705cc3cfb772d..9f9316e18022790bd0d31421d890c3f59fa1e39f 100644
--- a/src/Topology/map/map3.cpp
+++ b/src/Topology/map/map3.cpp
@@ -656,13 +656,13 @@ bool Map3::isBoundaryVolume(Dart d)
 	DartMarkerStore mark(*this);	// Lock a marker
 
 	std::vector<Dart> visitedFaces ;
-	visitedFaces.reserve(128) ;
+	visitedFaces.reserve(512) ;
 	visitedFaces.push_back(d) ;
 	mark.markOrbit(ORIENTED_FACE, d) ;
 
 	for(unsigned int i = 0; i < visitedFaces.size(); ++i)
 	{
-		if (isBoundaryMarked(phi3(visitedFaces[i])))
+		if(isBoundaryMarked(phi3(visitedFaces[i])))
 			return true ;
 
 		Dart e = visitedFaces[i] ;